EP0708809A4 - Methode zum herabsetzen von nox-emissionen und von teilchen aus einem dieselmotor - Google Patents

Methode zum herabsetzen von nox-emissionen und von teilchen aus einem dieselmotor

Info

Publication number
EP0708809A4
EP0708809A4 EP94922518A EP94922518A EP0708809A4 EP 0708809 A4 EP0708809 A4 EP 0708809A4 EP 94922518 A EP94922518 A EP 94922518A EP 94922518 A EP94922518 A EP 94922518A EP 0708809 A4 EP0708809 A4 EP 0708809A4
Authority
EP
European Patent Office
Prior art keywords
nox
metal
fuel
effective
ppm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94922518A
Other languages
English (en)
French (fr)
Other versions
EP0708809A1 (de
EP0708809B1 (de
Inventor
Jeremy D Peter-Hoblyn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clean Diesel Technologies Inc
Original Assignee
Platinum Plus Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Platinum Plus Inc filed Critical Platinum Plus Inc
Publication of EP0708809A1 publication Critical patent/EP0708809A1/de
Publication of EP0708809A4 publication Critical patent/EP0708809A4/de
Application granted granted Critical
Publication of EP0708809B1 publication Critical patent/EP0708809B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
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    • C10L10/00—Use of additives to fuels or fires for particular purposes
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    • F01N3/029—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles by adding non-fuel substances to exhaust
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    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/037—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of inertial or centrifugal separators, e.g. of cyclone type, optionally combined or associated with agglomerators
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    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
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    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B51/00—Other methods of operating engines involving pretreating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines
    • F02B51/02—Other methods of operating engines involving pretreating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines involving catalysts
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
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    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
EP94922518A 1993-07-12 1994-07-12 Methode zum herabsetzen von nox-emissionen und von teilchen aus einem dieselmotor Expired - Lifetime EP0708809B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8983893A 1993-07-12 1993-07-12
US89838 1993-07-12
PCT/US1994/007744 WO1995002655A1 (en) 1993-07-12 1994-07-12 METHOD FOR REDUCING EMISSIONS OF NOx AND PARTICULATES FROM A DIESEL ENGINE

Publications (3)

Publication Number Publication Date
EP0708809A1 EP0708809A1 (de) 1996-05-01
EP0708809A4 true EP0708809A4 (de) 1996-08-07
EP0708809B1 EP0708809B1 (de) 2000-09-20

Family

ID=22219828

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94922518A Expired - Lifetime EP0708809B1 (de) 1993-07-12 1994-07-12 Methode zum herabsetzen von nox-emissionen und von teilchen aus einem dieselmotor

Country Status (6)

Country Link
EP (1) EP0708809B1 (de)
JP (1) JPH09500164A (de)
AU (1) AU7359194A (de)
DE (1) DE69425972T2 (de)
TW (1) TW280778B (de)
WO (1) WO1995002655A1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10020170C1 (de) * 2000-04-25 2001-09-06 Emitec Emissionstechnologie Verfahren zum Entfernen von Rußpartikeln aus einem Abgas und zugehöriges Auffangelement
US5501714A (en) * 1988-12-28 1996-03-26 Platinum Plus, Inc. Operation of diesel engines with reduced particulate emission by utilization of platinum group metal fuel additive and pass-through catalytic oxidizer
JPH08231969A (ja) * 1995-02-21 1996-09-10 Ube Ind Ltd ディーゼルエンジンの燃焼方法
GB9508248D0 (en) * 1995-04-24 1995-06-14 Ass Octel Process
WO1997004045A1 (en) * 1995-07-18 1997-02-06 Clean Diesel Technologies, Inc. Methods for reducing harmful emissions from a diesel engine
GB9622026D0 (en) * 1996-10-24 1996-12-18 Ass Octel Fuel additives
US5809774A (en) * 1996-11-19 1998-09-22 Clean Diesel Technologies, Inc. System for fueling and feeding chemicals to internal combustion engines for NOx reduction
TW509719B (en) * 1997-04-17 2002-11-11 Clean Diesel Tech Inc Method for reducing emissions from a diesel engine
US7264785B2 (en) 2001-12-20 2007-09-04 Johnson Matthey Public Limited Company Selective catalytic reduction
US20050164139A1 (en) * 2002-02-04 2005-07-28 Valentine James M. Reduced-emissions combustion utilizing multiple-component metallic combustion catalyst and lightly catalyzed diesel particulate filter
FR2872214B1 (fr) * 2004-06-23 2006-11-03 Peugeot Citroen Automobiles Sa Systeme de controle de la regeneration de moyens de depollution
FR2872213B1 (fr) 2004-06-23 2006-11-03 Peugeot Citroen Automobiles Sa Systeme d'aide a la regeneration de moyens de depollution pour moteur de vehicule automobile
FR2872208B1 (fr) * 2004-06-23 2006-11-03 Peugeot Citroen Automobiles Sa Systeme d'aide a la regeneration de moyens de depollution integres dans une ligne d'echappement
FR2872210B1 (fr) * 2004-06-23 2006-11-03 Peugeot Citroen Automobiles Sa Systeme d'aide a la regeneration de moyens de depollution pour vehicule automobile
US7225613B2 (en) 2005-01-26 2007-06-05 Ford Global Technologies, Llc Diesel engine after treatment device for conversion of nitrogen oxide and particulate matter
CA2652241A1 (en) * 2006-05-18 2007-11-29 Clean Diesel Technologies, Inc. Improvements in diesel particulate control
EP2051798B1 (de) 2006-07-20 2012-01-11 Amminex A/S Verfahren und vorrichtung zur speicherung und lieferung von ammoniak aus einem festen ammoniakspeichermedium
US8048390B2 (en) * 2006-12-23 2011-11-01 Alzchem Trostberg Gmbh Method for the selective catalytic reduction of nitrogen oxides in exhaust gases of vehicles
PL209478B1 (pl) * 2009-07-28 2011-09-30 Przedsiębiorstwo Wielobranżowe Prima Społka Z Ograniczoną Odpowiedzialno&Sac Modyfikator spalania paliw płynnych i gazowych takich jak paliwa żeglugowe, olej napędowy, benzyna, olej lekki i ciężki, mazut i innych węglowodorów, sposób modyfikowania procesu spalania paliw i zastosowanie modyfikatora spalania paliw
US9511350B2 (en) 2013-05-10 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) ZPGM Diesel Oxidation Catalysts and methods of making and using same
US20140274662A1 (en) 2013-03-15 2014-09-18 Cdti Systems and Methods for Variations of ZPGM Oxidation Catalysts Compositions
US9511355B2 (en) 2013-11-26 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) System and methods for using synergized PGM as a three-way catalyst
US9771534B2 (en) 2013-06-06 2017-09-26 Clean Diesel Technologies, Inc. (Cdti) Diesel exhaust treatment systems and methods
US9545626B2 (en) 2013-07-12 2017-01-17 Clean Diesel Technologies, Inc. Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrate
US9511358B2 (en) 2013-11-26 2016-12-06 Clean Diesel Technologies, Inc. Spinel compositions and applications thereof
US9604175B2 (en) 2014-06-06 2017-03-28 Clean Diesel Technologies, Inc. Three-way catalyst systems including Nb—Zr—Al-mixed oxide supports, Ba—Pd, and Rh—Fe material compositions
US9731279B2 (en) 2014-10-30 2017-08-15 Clean Diesel Technologies, Inc. Thermal stability of copper-manganese spinel as Zero PGM catalyst for TWC application
US9700841B2 (en) 2015-03-13 2017-07-11 Byd Company Limited Synergized PGM close-coupled catalysts for TWC applications
US9951706B2 (en) 2015-04-21 2018-04-24 Clean Diesel Technologies, Inc. Calibration strategies to improve spinel mixed metal oxides catalytic converters
US10533472B2 (en) 2016-05-12 2020-01-14 Cdti Advanced Materials, Inc. Application of synergized-PGM with ultra-low PGM loadings as close-coupled three-way catalysts for internal combustion engines
US9861964B1 (en) 2016-12-13 2018-01-09 Clean Diesel Technologies, Inc. Enhanced catalytic activity at the stoichiometric condition of zero-PGM catalysts for TWC applications
US10265684B2 (en) 2017-05-04 2019-04-23 Cdti Advanced Materials, Inc. Highly active and thermally stable coated gasoline particulate filters
CN112933885B (zh) * 2021-03-05 2022-09-06 中北大学 一种超重力非平衡选择性吸收三聚氰胺尾气中氨的方法和装置
CN121945143A (zh) * 2026-04-03 2026-05-01 辽宁大学 一种嵌合式三氧化二铁-银石墨相氮化碳异质结光催化剂及其制备方法和应用

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393145A1 (fr) * 1977-05-31 1978-12-29 Caterpillar Tractor Co Procede et dispositif catalytiques d'epuration des gaz d'echappement
EP0364694A1 (de) * 1988-09-03 1990-04-25 Bayer Ag Verfahren zur Reduktion von in Abgasen enthaltenen Stickoxiden mittels eines zeolithhaltigen Katalysators
WO1991001361A1 (en) * 1989-07-17 1991-02-07 Fuel Tech, Inc. Method for catalyzing fuel for powering internal combustion engines
DE4032085A1 (de) * 1990-10-10 1992-04-16 Didier Werke Ag Katalysatoranordnung zur reduktion von stickoxiden
WO1993012206A1 (en) * 1991-12-16 1993-06-24 Platinum Plus, Inc. Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition
WO1994011467A1 (en) * 1992-11-10 1994-05-26 Platinum Plus, Inc. Method for reducing harmful emissions from a diesel engine equipped with a particulate trap

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599427A (en) * 1969-09-22 1971-08-17 Ford Motor Co Exhaust gas purification
US4568357A (en) * 1984-12-24 1986-02-04 General Motors Corporation Diesel fuel comprising cerium and manganese additives for improved trap regenerability
US4997631A (en) * 1990-03-07 1991-03-05 Fuel Tech, Inc. Process for reducing nitrogen oxides without generating nitrous oxide

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393145A1 (fr) * 1977-05-31 1978-12-29 Caterpillar Tractor Co Procede et dispositif catalytiques d'epuration des gaz d'echappement
EP0364694A1 (de) * 1988-09-03 1990-04-25 Bayer Ag Verfahren zur Reduktion von in Abgasen enthaltenen Stickoxiden mittels eines zeolithhaltigen Katalysators
WO1991001361A1 (en) * 1989-07-17 1991-02-07 Fuel Tech, Inc. Method for catalyzing fuel for powering internal combustion engines
DE4032085A1 (de) * 1990-10-10 1992-04-16 Didier Werke Ag Katalysatoranordnung zur reduktion von stickoxiden
WO1993012206A1 (en) * 1991-12-16 1993-06-24 Platinum Plus, Inc. Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition
WO1994011467A1 (en) * 1992-11-10 1994-05-26 Platinum Plus, Inc. Method for reducing harmful emissions from a diesel engine equipped with a particulate trap

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9502655A1 *

Also Published As

Publication number Publication date
AU7359194A (en) 1995-02-13
DE69425972T2 (de) 2001-05-23
EP0708809A1 (de) 1996-05-01
JPH09500164A (ja) 1997-01-07
DE69425972D1 (de) 2000-10-26
TW280778B (de) 1996-07-11
EP0708809B1 (de) 2000-09-20
WO1995002655A1 (en) 1995-01-26

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